12月5日，车辆在太原街头行驶。城中村集中供暖改造、重点污染企业关停，山西省太原市今冬供暖以来，空气质量较去年明显改善。据太原市环保局数据，今年11月份，空气质量二级以上天数为23天，比去年同期增加3天。新华社记者 范敏达 摄 On December 5,,Vehicles in taiyuan street road.Village inside city central heating transformation/Key pollution enterprises shut down,Taiyuan, Shanxi Province since the winter heating,Air quality is obviously improved last year.According to taiyuan city environmental protection bureau data,In November this year,Air quality more than 2 days for 23 days,Than the same period last year increased 3 days.The xinhua news agency FanMinDa perturbation

    12月5日，市民们在太原市滨河公园散步。新华社记者 范敏达 摄 On December 5,,The citizens in taiyuan city river for a walk in the park.The xinhua news agency FanMinDa perturbation